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Category

Social Biases

Impact level

1 / 5

Category Social Biases

Impact 1 / 5

SOCIAL BIASES

False Consensus
Effect

A cognitive bias whereby a person tends to overestimate the extent to which their opinions, beliefs, preferences, values, and habits are normal and typical of those of others.

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Cognitive processing

System 1 (fast, intuitive). Biases often lean on quick judgments (System 1) unless you slow down and analyze (System 2).

Evidence & time

Evidence strength: experimental. Typical read: about 3 min.

Catch it next time

Practical steps for False Consensus Effect

1
Ask for others' opinions before stating yours
medium effectivenesseasy difficulty

Tape this to your desk.

02

Common triggers

→

Expressing an opinion

→

Assuming agreement

03

Typical contexts

→

Group decisions

→

Social media echo chambers

04

Mitigation strategies

Ask for others' opinions before stating yours

Effectiveness: medium

Difficulty: easy

05

Potential decision harms

Surprise at disagreement

minor Severity

Poor communication

moderate Severity